The Crescent Nebula (also known as NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth. It was discovered …

The Crescent Nebula (NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula, about 5000 light years away from Earth.

眉月星云是一个 发射星云，又称Sh2-105等。 眉月星云（Crescent Nebula）也称为NGC 6888或Caldwell 27，距离大约5,000光年，是位在 天鹅座 的 发射星云。 它由来自 沃尔夫-拉叶星 …

2024年9月10日 · The Crescent Nebula (also known as NGC 6888, Caldwell 27 and Sharpless 105) is an emission nebula in the constellation Cygnus, about 5000 light-years away from …

2022年7月28日 · The Crescent Nebula (also known as NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth. It …

Sh 2-105は、= NGC6888で中心に見える7等星のウォルフ-ライエ星WR 136からの強烈な恒星風によってできた泡状の電離星雲です。 今回はQBPフィルターを使用したのでOIIIとHα輝線 …

SH2-105 (also known as NGC 6888 or Crescent Nebula) is an emission nebula in constellation Cygnus which ionized by the Wolf-Rayet star WR 136 which lies in a distance of about 5600 ly …

2018年10月13日 · The Crescent nebula is an emission nebula in the constellation Cygnus. It is also known as NGC6888, Caldwell 27 and Sharpless 105. In the center is a star that turned …

NGC 6888 (also known as Caldwell 27, Sharpless 105 or The Crescent Nebula) is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth. It was discovered …

See this catalog overview for more information on the catalogs and the general sources used to create these descriptions and this introduction to HII regions on the general history of this area …